netdev - [PATCH net-next v3 06/10] net: dsa: Migrate to device_find

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Message-Id: <20170114214713.28109-7-f.fainelli@gmail.com>
Date:   Sat, 14 Jan 2017 13:47:09 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Russell King <linux@...linux.org.uk>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM
        SUB-ARCHITECTURES), linux-kernel@...r.kernel.org (open list),
        gregkh@...uxfoundation.org
Subject: [PATCH net-next v3 06/10] net: dsa: Migrate to device_find_class()

Now that the base device driver code provides an identical
implementation of dev_find_class() utilize device_find_class() instead
of our own version of it.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 net/dsa/dsa.c | 22 ++--------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 2306d1b87c83..77fa4c4f5828 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -455,29 +455,11 @@ EXPORT_SYMBOL_GPL(dsa_switch_resume);
 #endif
 
 /* platform driver init and cleanup *****************************************/
-static int dev_is_class(struct device *dev, void *class)
-{
-	if (dev->class != NULL && !strcmp(dev->class->name, class))
-		return 1;
-
-	return 0;
-}
-
-static struct device *dev_find_class(struct device *parent, char *class)
-{
-	if (dev_is_class(parent, class)) {
-		get_device(parent);
-		return parent;
-	}
-
-	return device_find_child(parent, class, dev_is_class);
-}
-
 struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev)
 {
 	struct device *d;
 
-	d = dev_find_class(dev, "mdio_bus");
+	d = device_find_class(dev, "mdio_bus");
 	if (d != NULL) {
 		struct mii_bus *bus;
 
@@ -495,7 +477,7 @@ static struct net_device *dev_to_net_device(struct device *dev)
 {
 	struct device *d;
 
-	d = dev_find_class(dev, "net");
+	d = device_find_class(dev, "net");
 	if (d != NULL) {
 		struct net_device *nd;
 
-- 
2.9.3